3,4'-Diaminodiphenyl Ether
https://www.amasa-project.eu/shop/fm-3b-d1924-34-diaminodiphenyl-ether-73551
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3,4'-Diaminodiphenyl Ether 5g : Aromatic diamine for polyimides, epoxy curing, and high-performance polymers. Provides strength and heat resistance.
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